<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="权限名称" prop="menuName">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入权限名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="权限状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="权限状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:permission:add']"
        >新增
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="permissionList"
      row-key="id"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="name" label="菜单名称" :show-overflow-tooltip="true" ></el-table-column>
      <el-table-column prop="menuType" label="菜单类型" align="center" width="80">
        <template slot-scope="scope">
          <span v-if="scope.row.menuType=='0'">菜单</span>
          <span v-if="scope.row.menuType=='1'">按钮</span>

        </template>
      </el-table-column>
      <el-table-column prop="icon" label="图标" align="center" width="80">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.iconClass" v-if="scope.row.iconClass"/>
        </template>
      </el-table-column>
      <el-table-column prop="showOrder" label="排序" width="60"></el-table-column>
      <el-table-column prop="path" label="路由地址" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="hiddenFlag" label="是否隐藏" :formatter="visibleFormat" width="80"></el-table-column>
      <el-table-column prop="component" label="页面路径" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="code" label="权限编码" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="showOrder" label="排序" :show-overflow-tooltip="true" width="60"></el-table-column>
      <el-table-column prop="permissionDesc" label="权限描述" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="status" label="状态" :formatter="statusFormat" width="60"></el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini"
                     type="text"
                     icon="el-icon-edit"
                     @click="handleUpdate(scope.row)"
                     v-hasPermi="['system:permission:update']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:permission:add']"
          >新增
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:permission:delete']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="700px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24" >
            <el-form-item label="上级权限" prop="pid">
              <treeselect
                v-model="form.pid"
                :options="permissionOptions"
                :normalizer="permissionNormalizer"
                :show-count="true"
                placeholder="选择上级权限"
              />
            </el-form-item>
          </el-col>

          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="0">菜单</el-radio>
                <el-radio label="1">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单图标" prop="iconClass" v-if="form.menuType == '0'">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected"/>
                <el-input slot="reference" v-model="form.iconClass" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.iconClass"
                    slot="prefix"
                    :icon-class="form.iconClass"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon"/>
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12" >
            <el-form-item label="权限名称" prop="name" >
              <el-input v-model="form.name" placeholder="请输入权限名称"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="权限编码" prop="code">
              <el-input v-model="form.code" placeholder="请输入权限编码"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="组件路径" prop="component"  v-if="form.menuType == '0'">
              <el-input v-model="form.component" placeholder="请输入组件路径"/>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="路由地址" prop="path"  v-if="form.menuType == '0'">
              <el-input v-model="form.path" placeholder="请输入路由地址"/>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item  label="权限描述" prop="path">
              <el-input v-model="form.permissionDesc" placeholder="请输入权限描述"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="showOrder">
              <el-input-number v-model="form.showOrder" controls-position="right" :min="0"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item  label="权限状态" prop="status"  v-if="form.menuType == '0'">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示状态" prop="hiddenFlag"  v-if="form.menuType == '0'">
              <el-radio-group v-model="form.hiddenFlag">
                <el-radio
                  v-for="dict in visibleOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="24">
            <el-form-item label="备注">
              <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import permission from "@/api/system/permission";
  import Treeselect from "@riophae/vue-treeselect";
  import "@riophae/vue-treeselect/dist/vue-treeselect.css";
  import IconSelect from "@/components/IconSelect";

  export default {
    name: "Permission",
    components: {Treeselect, IconSelect},
    data() {
      return {
        // 遮罩层
        loading: true,
        // 显示搜索条件
        showSearch: true,
        // 权限表格树数据
        permissionList: [],
       // 权限可选项
        permissionOptions: [],

        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 显示状态数据字典
        visibleOptions: [],
        // 菜单状态数据字典
        statusOptions: [],
        // 查询参数
        queryParams: {
          name: undefined,
          status: undefined
        },
        // 表单参数
        form: {
          menuType:'0'
        },
        // 表单校验
        rules: {
          pid: [
            {required: true, message: "主权限名称不能为空", trigger: "blur"}
          ],
          name: [
            {required: true, message: "权限名称不能为空", trigger: "blur"}
          ],
          menuType: [
            {required: true, message: "菜单类型不能为空", trigger: "blur"}
          ],
          showOrder: [
            {required: true, message: "权限顺序不能为空", trigger: "blur"}
          ],
          code: [
            {required: true, message: "权限编码不能为空", trigger: "blur"}
          ],
        }
      };
    },
    created() {
      this.getList();
      this.dict.getDicts("sys_normal_disable").then(response => {
        this.statusOptions = response.data;
      });
      this.dict.getDicts("sys_show_hide").then(response => {
        this.visibleOptions = response.data;
      });
    },
    methods: {
      // 选择图标
      selected(name) {
        this.form.iconClass = name;
      },
      // 隐藏状态字典翻译
      visibleFormat(row, column) {
        return this.selectDictLabel(this.visibleOptions, row.hiddenFlag);
      },
      /** 查询菜单列表 */
      getList() {
        this.loading = true;
        permission.listPermission(this.queryParams).then(response => {
          this.permissionList = this.handleTree(response.data, "id");
          this.loading = false;
        });
      },
      /** 转换菜单数据结构 */
      permissionNormalizer(node) {
        if (node.children && !node.children.length) {
          delete node.children;
        }
        return {
          id: node.id,
          label: node.name,
          children: node.children
        };
      },
      /** 查询菜单下拉树结构 */
      getTreeSelect() {
        permission.listPermission().then(response => {
          this.permissionOptions = [];
          const menu = {id: 0, name: '主权限', children: []};
          menu.children = this.handleTree(response.data, "id");
          this.permissionOptions.push(menu);
        });
      },

      // 菜单状态字典翻译
      statusFormat(row, column) {
        return this.selectDictLabel(this.statusOptions, row.status);
      },
      // 隐藏状态字典翻译
      visibleFormat(row, column) {
        return this.selectDictLabel(this.visibleOptions, row.hiddenFlag);
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: undefined,
          pid: 0,
          component: undefined,
          iconClass: undefined,
          isCache: 0,
          path: undefined,
          code: undefined,
          name: undefined,
          permissionDesc: undefined,
          fullId: undefined,
          showOrder: undefined,
          hiddenFlag: "0",
          status: "0",
          menuType:"0"
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      /** 新增按钮操作 */
      handleAdd(row) {
        this.reset();
        this.getTreeSelect();
        if (row != null && row.id) {
          this.form.pid = row.id;
        } else {
          this.form.pid = 0;
        }
        this.form.menuType = '0'
        this.open = true;
        this.title = "添加权限";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        this.getTreeSelect();
        permission.getPermission(row.id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改权限";
        });
      },
      /** 提交按钮 */
      submitForm: function () {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != undefined) {
              permission.updatePermission(this.form).then(response => {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              permission.addPermission(this.form).then(response => {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        this.$confirm('是否确认删除名称为"' + row.name + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function () {
          return permission.delPermission(row.id);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
      }
    }
  };
</script>
